JP2013168008A - Machine tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a machine tool allowing a worker operating a manual operation part in a one-block stop mode to obtain a completion of execution of one block in a machining program, with the worker staring at the interior of a machining chamber.SOLUTION: A machine tool 100 comprises: a machining chamber 160 for machining a material; an illuminator 164 in the machining chamber; and an NC unit (130) for controlling machining operations on the basis of an NC program. The NC unit (130) includes: manual execution means 131 executing machining operation by a pulse signal generated according to a manual operation unit (111), and a 1-block stop mode for executing the NC program 1 block and stopping. The machine tool further includes notification means 140 for notifying the completion of 1 block when manually executing the machining operation by the manual operation means 131 during 1 block stop mode. The notification means 140 comprises the illuminator 164.

Description

  The present invention relates to a machine tool.

2. Description of the Related Art Conventionally, there is known a machine tool including a processing chamber for processing a material, an illuminator in the processing chamber, and an NC device that controls a processing operation based on an NC program (for example, Patent Document 1).
Conventional machine tools have a one-block stop mode.
“One block stop mode” refers to a mode in which only one block of the NC program is executed to stop the operation of the machine tool.

The operation of the NC program can be confirmed one block at a time in the 1 block stop mode.
On the other hand, the conventional machine tool is provided with manual execution means for manually operating the NC program and operating the machine tool by a pulse signal generated in response to an operation of a manual operation unit such as a manual pulse handle.

JP 2011-175316 A

  However, in the conventional machine tool described above, when the operator operates the manual operation unit by the manual execution means and executes the NC program during the one-block stop mode, execution completion of one block is provided outside the processing chamber. Since it is displayed on the monitor of the operation panel, there is a problem that an operator who is gazing inside the machining chamber may not immediately notice that the execution of one block is completed and may operate the manual operation unit unnecessarily. It was.

  Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is to allow an operator operating the manual operation unit to watch the inside of the machining chamber during the one-block stop mode. It is to provide a machine tool that can easily know the completion of execution of one block of a machining program.

  The invention according to claim 1 includes a processing chamber for processing a material, an illuminator in the processing chamber, and an NC device that controls a processing operation based on an NC program, wherein the NC device includes a manual operation unit. In a machine tool having manual execution means for executing the machining operation in response to a pulse signal generated in response to the operation, and a one-block stop mode for stopping the NC program by executing one block, the one-block stop mode When the manual execution means manually performs the machining operation, a notification means for notifying the completion of the one block is provided, and the notification means is configured by the illuminator, thereby solving the above-described problem. It is a solution.

  The invention according to claim 2 is configured such that, in addition to the configuration of the machine tool according to claim 1, the notification means is configured to notify by changing the illumination state of the processing chamber by the illuminator. Thus, the above-described problem is further solved.

  In the invention according to claim 3, in addition to the configuration of the machine tool according to claim 2, the notification means makes the light emission amount of the illuminator smaller than before reaching the end of one block. By being configured, the above-described problems are further solved.

  The invention according to claim 4 further solves the above-described problem by the fact that the notification means is configured to blink the illuminator in addition to the configuration of the machine tool described in claim 2. It is.

  According to the first aspect of the present invention, an operator looking at the processing chamber can easily notice the completion of one block by the illuminator in the processing chamber. The operating operator does not look at the operation panel outside the processing chamber, and while watching the operation of the operation unit in the processing chamber that should be monitored and checked during operation of the manual operation unit, for example, the operation of the spindle and tool post, etc. The completion of execution of one block can be known by looking in the processing chamber.

  The machine tool of the invention according to claim 2 is configured to notify the notification means by varying the illumination state in the processing chamber by the illuminator, in addition to the effect produced by the machine tool according to claim 1. Thus, since the worker who is gazing inside the processing chamber through the window notices a change in the illuminance in the processing chamber by the illuminator in the processing chamber, the operator who operates the manual operation unit during the one-block stop mode is The execution completion of the block can be known by looking inside the machining chamber without looking at the operation panel outside the machining chamber.

  In the machine tool according to the third aspect of the present invention, in addition to the effect produced by the machine tool according to the second aspect, the notification means makes the light emission amount of the illuminator smaller than before reaching the end of one block. As a result of the configuration, since it becomes darker than before the completion of execution of one block, the operator can easily know that the execution of one block has been completed.

  The machine tool according to the fourth aspect of the invention has the effect that the machine tool according to the second aspect has the effect, and the notification means is configured to blink the illuminator, thereby blinking after execution of one block is completed. Therefore, the operator can easily know that the execution of one block is completed.

BRIEF DESCRIPTION OF THE DRAWINGS The front view which shows the outline of the machine tool which is one Example of this invention. 1 is a schematic block diagram of a machine tool that is an embodiment of the present invention. The flowchart which shows the operation example of the machine tool which is one Example of this invention.

  The present invention includes a processing chamber for processing a material, an illuminator in the processing chamber, and an NC device that controls a processing operation based on an NC program. The NC device is generated in response to an operation of a manual operation unit. In a machine tool having a manual execution means for executing a machining operation by a pulse signal to be executed and a 1-block stop mode for executing and stopping one block of an NC program, the manual execution means is manually operated during the 1-block stop mode. When performing the machining operation, an informing means for informing the completion of one block is provided, the informing means is constituted by an illuminator, and an operator who rotates the manual pulse handle during the one block stop mode is provided with one block of the program. As long as the execution completion can be known by looking inside the processing chamber without looking at the operation panel outside the processing chamber, any specific embodiment may be used. .

  For example, it is only necessary that an operator gazing at the processing chamber can notice a change in the lighting in the processing chamber by the lighting device in the processing chamber, and how is the lighting of the lighting device in the processing chamber changed? It doesn't matter.

Below, the machine tool 100 which is one Example of this invention is demonstrated based on FIG. 1 thru | or FIG.
Here, FIG. 1 is a front view showing an outline of the machine tool 100, FIG. 2 is a schematic block diagram of the machine tool 100, and FIG. 3 is a flowchart showing an operation example of the machine tool 100.

As shown in FIGS. 1 to 3, the machine tool 100 includes an operation panel 110 operated by an operator, a control unit 130 including an NC device, and a workpiece (work) that is a material by control based on an NC program. And a processing chamber 160 in which is processed.
The operation panel 110 is provided with a manual pulse handle 111, a switch button 112, a monitor 113, and the like, which are examples of a manual operation unit. The processing chamber 160 is provided with a cover 165, a door 166, a window 167, and the like, and a main shaft 161, a tool 162, a rear main shaft 163, an illuminator 164, and the like are accommodated therein.

The manual pulse handle 111 allows the operator to manually rotate the machine tool according to the mode to execute the NC program and manually operate the machine tool.
A plurality of switch buttons 112 are provided, and the machine tool 100 can be started, the operation of the machine tool 100 can be stopped, and the mode can be selected.
The monitor 113 is provided so as to be able to display current settings and NC programs.

The main spindle 161 and the rear main spindle 163 can grip and rotate the workpiece by rotating and moving the workpiece.
The tool 162 can perform cutting or the like on the workpiece.
The spindle 161, the back spindle 163, and the tool 162 are controlled to move and rotate by the control unit 130 based on the NC program, and process the workpiece.

The illuminator 164 is disposed in the processing chamber 160 so that the workpiece, the tool 162, the main shaft 161, the back main shaft 163, and the like can be illuminated in the processing chamber 160.
The cover 165 is provided so as to cover the processing chamber 160.
The door 166 is provided on the cover 165 so that it can be opened and closed as necessary.
The window 167 is provided on the door 166 and is disposed at a position where an operator can see the workpiece, the tool 162, the main shaft 161, the rear main shaft 163, and the like in the processing chamber 160 while operating the operation panel 110.

  As shown in FIG. 2, the control unit 130 includes a CPU and a RAM (not shown), a manual execution unit 131 that manually executes the NC program by operating the manual pulse handle 111, and an automatic execution unit 132 that automatically executes the NC program. And a manual execution mode by the manual execution means 131 and an automatic execution mode by the automatic execution means 132. The manual execution mode and the automatic execution mode can be selected and switched by the operation panel 110.

The manual pulse handle 111 is connected to the control unit 130 via the manual pulse generator 120. The manual pulse generator 120 generates a pulse signal in accordance with the rotation operation of the manual pulse handle 111.
The pulse signal generated by the manual pulse generator 120 is output to the manual execution means 131.

When the manual execution mode is selected, the control unit 130 causes the manual execution unit 131 to execute the NC program according to the pulse signal input from the manual pulse generator 120 and execute the material processing operation in the processing chamber 160. It is configured to let you.
On the other hand, when the automatic execution mode is selected, the control unit 130 causes the automatic execution unit 132 to automatically execute the NC program sequentially in order to automatically execute the material processing operation in the processing chamber 160.

  The control unit 130 has a one-block stop mode in which one block of the NC program is executed and stopped, and a normal mode in which all blocks of the NC program are executed continuously. The 1-block stop mode and the normal mode can be selected and switched by the operation panel 110.

The control unit 130 is configured to detect completion of execution of one block of the NC program.
In the one-block stop mode, the machining operation is automatically stopped when the NC program reaches the block completion position, and after the stop, the next one block is executed by operating the switch button 112 on the operation panel 110. It becomes possible. The operator can debug the NC program one block at a time by setting the control unit 130 in the one-block stop mode, and can confirm the operation state of the spindle 161, the rear spindle 163, and the tool 162.

Furthermore, the machine tool 100 according to the present embodiment includes a notification unit 140 that notifies the completion of one block in the one-block stop mode.
The notification unit 140 includes a control unit 130 and an illuminator 164.
And the control part 130 is comprised so that the completion of 1 block may be detected and the light emission amount of the illuminator 164 of the processing chamber 160 may be changed.
As a result, an operator gazing inside the processing chamber 160 through the window 167 notices a change in illuminance in the processing chamber 160 by the illuminator 164 of the processing chamber 160, and knows that execution of one block of the NC program has been completed. Can do.

Hereinafter, the operation of the notification unit 140 will be described in more detail.
As shown in FIG. 3, in step S11, the control unit 130 determines whether or not the currently selected mode is the 1-block stop mode.
If it is determined that the one-block stop mode is set, the process proceeds to step S12. If it is determined that the determination is NO, the sequence is terminated.

In step S12, the control unit 130 determines whether or not the execution of the NC program has been completed for one block.
When the completion of one block is detected, the process proceeds to step S13, and when it is determined as NO, step S12 is repeated until the completion of one block is detected.

In step S <b> 13, the control unit 130 changes the light emission amount of the illuminator 164 by lighting control of the illuminator 164 or the like.
The one block stop mode can be set in both the manual execution mode and the automatic execution mode. In particular, when the 1-block stop mode is set in the manual execution mode, the operator looks at the inside of the machining chamber 160 from the window 167 and confirms the position of the spindle 161, the tool 162, etc., and moves the manual pulse handle 111. When operating, the operator's line of sight is directed into the processing chamber 160.
Therefore, an operator looking inside the processing chamber 160 through the window 167 notices a change in illuminance in the processing chamber 160 by the illuminator 164 of the processing chamber 160, and easily knows that one block has been executed. Can do.

At this time, a change in the light emission amount of the illuminator 164 is, for example, made smaller than that before reaching the end of one block.
As a result, since the inside of the processing chamber 160 becomes darker than after the completion of execution of one block, the worker easily notices a change in illuminance in the processing chamber 160.
Further, the illuminator 164 may blink.
As a result, since the lighting state before the completion of execution of one block is changed to the blinking state after completion, the operator easily notices the change in the illuminance in the processing chamber 160.

  When the operator knows that the execution of one block has been completed, the operator operates the switch button 112 of the operation panel 110 to return the light emission amount of the illuminator 164 in the processing chamber 160 to the state before the execution of one block is completed. You can also.

When the operator wants to confirm the operation of the next block of the NC program, the operator operates the switch button 112 of the operation panel 110 and operates the manual pulse handle 111 to start execution of the next block.
That is, steps S11 to S13 are repeated.

The machine tool 100 according to the embodiment obtained in this way includes a processing chamber 160 for processing materials, an illuminator 164 in the processing chamber 160, and an NC apparatus that controls the processing operation based on the NC program. A control unit 130, and the control unit 130 executes a machining operation by a pulse signal generated in response to an operation of a manual pulse handle 111, which is an example of a manual operation unit, and an NC program. 1 block stop mode in which one block is executed and stopped. In the machine tool 100, when the machining operation is manually executed by the manual execution means 131 during the 1 block stop mode, the completion of one block is notified. An informing unit 140 is provided, and the informing unit 140 includes an illuminator 164.
And since the notification means 140 is configured to notify by changing the illumination state in the processing chamber 160 by the illuminator 164, an operator who rotates the manual pulse handle 111 during the one-block stop mode, Without looking at the operation panel 110 outside the processing chamber 160, the operation of the operation unit in the processing chamber 160 to be monitored and checked during the operation of the manual pulse handle 111, for example, the tool 162, the tool post holding the tool 162, the spindle 161, etc. The completion of execution of one block of the program can be known by looking inside the machining chamber 160 while observing the operation of the back spindle 163 and the like, the state of the workpiece in the machining chamber 160, and the like.

In addition, since the notification unit 140 is configured to reduce the light emission amount of the illuminator 164 compared to before reaching the end of one block, the operator can easily know that the execution of one block has been completed. Can do.
Alternatively, the notification unit 140 is configured to blink the illuminator 164, so that the operator can easily know that the execution of one block has been completed.

DESCRIPTION OF SYMBOLS 100 ... Machine tool 110 ... Operation panel 111 ... Manual pulse handle 112 ... Switch button 113 ... Monitor 120 ... Manual pulse generator 130 ... Control part (NC device)
131 ... Manual execution means 132 ... Automatic execution means 140 ... Notification means 160 ... Processing chamber 161 ... Spindle 162 ... Tool 163 ... Back spindle 164 ... Illuminator 165 .... Cover 166 ... Door 167 ... Window

Claims (4)

A processing chamber for processing the material, an illuminator in the processing chamber, and an NC device for controlling the processing operation based on the NC program,
The NC device has a manual execution means for executing the machining operation by a pulse signal generated in response to an operation of a manual operation unit, and a one-block stop mode for executing the NC program one block and stopping it. In the machine
In the one block stop mode, when performing the machining operation manually by the manual execution means, providing a notification means for notifying the completion of the one block,
A machine tool in which the notification means comprises the illuminator.   The machine tool according to claim 1, wherein the notification unit is configured to notify by changing an illumination state in a processing chamber by the illuminator.   3. The machine tool according to claim 2, wherein the notification unit is configured to reduce the light emission amount of the illuminator as compared with that before reaching the end of one block.   The machine tool according to claim 2, wherein the notification unit is configured to blink the illuminator.

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